------------[ cut here ]------------ usb 6-1: BOGUS control dir, pipe 80001d80 doesn't match bRequestType c0 WARNING: drivers/usb/core/urb.c:411 at usb_submit_urb+0x1573/0x1910 drivers/usb/core/urb.c:411, CPU#1: syz.5.4212/22337 Modules linked in: CPU: 1 UID: 0 PID: 22337 Comm: syz.5.4212 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:usb_submit_urb+0x157e/0x1910 drivers/usb/core/urb.c:411 Code: d2 74 5d 48 89 54 24 40 e8 af 64 b7 fa 4c 89 ef e8 67 9b de fe 48 89 c6 48 8d 3d dd e9 94 09 48 8b 54 24 40 45 89 f8 44 89 f1 <67> 48 0f b9 3a e9 c7 ed ff ff e8 83 64 b7 fa 89 ee bf ff 00 00 00 RSP: 0018:ffffc9000448f7c0 EFLAGS: 00010283 RAX: ffffffff8c80eee0 RBX: ffff888020757400 RCX: 0000000080001d80 RDX: ffff8880788ce780 RSI: ffffffff8c80eee0 RDI: ffffffff90e67d00 RBP: ffff88805d0da058 R08: 00000000000000c0 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff888061f8a500 R13: ffff88805d0da0b0 R14: 0000000080001d80 R15: 00000000000000c0 FS: 00007f4b92a716c0(0000) GS:ffff88812443c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000016b000 CR3: 000000004c930000 CR4: 00000000003526f0 Call Trace: usb_start_wait_urb+0x10e/0x580 drivers/usb/core/message.c:62 usb_internal_control_msg drivers/usb/core/message.c:117 [inline] usb_control_msg+0x328/0x4b0 drivers/usb/core/message.c:167 gl861_ctrl_msg+0x1a5/0x4a0 drivers/media/usb/dvb-usb-v2/gl861.c:58 gl861_i2c_master_xfer+0x545/0x690 drivers/media/usb/dvb-usb-v2/gl861.c:144 __i2c_transfer+0x5d9/0x17f0 drivers/i2c/i2c-core-base.c:2261 i2c_transfer+0x15f/0x380 drivers/i2c/i2c-core-base.c:2317 i2c_transfer_buffer_flags+0x10c/0x190 drivers/i2c/i2c-core-base.c:2345 i2c_master_recv include/linux/i2c.h:79 [inline] i2cdev_read+0x111/0x2b0 drivers/i2c/i2c-dev.c:155 vfs_read+0x1e4/0xb30 fs/read_write.c:572 ksys_read+0x12a/0x250 fs/read_write.c:717 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4b91b9c799 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4b92a71028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4b91e16180 RCX: 00007f4b91b9c799 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 00007f4b91c32c99 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4b91e16218 R14: 00007f4b91e16180 R15: 00007fff4ee78fe8 ---------------- Code disassembly (best guess): 0: d2 74 5d 48 shlb %cl,0x48(%rbp,%rbx,2) 4: 89 54 24 40 mov %edx,0x40(%rsp) 8: e8 af 64 b7 fa call 0xfab764bc d: 4c 89 ef mov %r13,%rdi 10: e8 67 9b de fe call 0xfede9b7c 15: 48 89 c6 mov %rax,%rsi 18: 48 8d 3d dd e9 94 09 lea 0x994e9dd(%rip),%rdi # 0x994e9fc 1f: 48 8b 54 24 40 mov 0x40(%rsp),%rdx 24: 45 89 f8 mov %r15d,%r8d 27: 44 89 f1 mov %r14d,%ecx * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: e9 c7 ed ff ff jmp 0xffffedfb 34: e8 83 64 b7 fa call 0xfab764bc 39: 89 ee mov %ebp,%esi 3b: bf ff 00 00 00 mov $0xff,%edi